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1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  *  The driver for the Cirrus Logic's Sound Fusion CS46XX based soundcards
4  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
5  */
6 
7 #ifndef __CS46XX_DSP_SPOS_H__
8 #define __CS46XX_DSP_SPOS_H__
9 
10 #include "cs46xx_dsp_scb_types.h"
11 #include "cs46xx_dsp_task_types.h"
12 
13 #define SYMBOL_CONSTANT  0x0
14 #define SYMBOL_SAMPLE    0x1
15 #define SYMBOL_PARAMETER 0x2
16 #define SYMBOL_CODE      0x3
17 
18 #define SEGTYPE_SP_PROGRAM              0x00000001
19 #define SEGTYPE_SP_PARAMETER            0x00000002
20 #define SEGTYPE_SP_SAMPLE               0x00000003
21 #define SEGTYPE_SP_COEFFICIENT          0x00000004
22 
23 #define DSP_SPOS_UU      0x0deadul     /* unused */
24 #define DSP_SPOS_DC      0x0badul      /* don't care */
25 #define DSP_SPOS_DC_DC   0x0bad0badul  /* don't care */
26 #define DSP_SPOS_UUUU    0xdeadc0edul  /* unused */
27 #define DSP_SPOS_UUHI    0xdeadul
28 #define DSP_SPOS_UULO    0xc0edul
29 #define DSP_SPOS_DCDC    0x0badf1d0ul  /* don't care */
30 #define DSP_SPOS_DCDCHI  0x0badul
31 #define DSP_SPOS_DCDCLO  0xf1d0ul
32 
33 #define DSP_MAX_TASK_NAME   60
34 #define DSP_MAX_SYMBOL_NAME 100
35 #define DSP_MAX_SCB_NAME    60
36 #define DSP_MAX_SCB_DESC    200
37 #define DSP_MAX_TASK_DESC   50
38 
39 #define DSP_MAX_PCM_CHANNELS 32
40 #define DSP_MAX_SRC_NR       14
41 
42 #define DSP_PCM_MAIN_CHANNEL        1
43 #define DSP_PCM_REAR_CHANNEL        2
44 #define DSP_PCM_CENTER_LFE_CHANNEL  3
45 #define DSP_PCM_S71_CHANNEL         4 /* surround 7.1 */
46 #define DSP_IEC958_CHANNEL          5
47 
48 #define DSP_SPDIF_STATUS_OUTPUT_ENABLED       1
49 #define DSP_SPDIF_STATUS_PLAYBACK_OPEN        2
50 #define DSP_SPDIF_STATUS_HW_ENABLED           4
51 #define DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED   8
52 
53 struct dsp_symbol_entry {
54 	u32 address;
55 	char symbol_name[DSP_MAX_SYMBOL_NAME];
56 	int symbol_type;
57 
58 	/* initialized by driver */
59 	struct dsp_module_desc * module;
60 	int deleted;
61 };
62 
63 struct dsp_symbol_desc {
64 	int nsymbols;
65 
66 	struct dsp_symbol_entry *symbols;
67 
68 	/* initialized by driver */
69 	int highest_frag_index;
70 };
71 
72 struct dsp_segment_desc {
73 	int segment_type;
74 	u32 offset;
75 	u32 size;
76 	u32 * data;
77 };
78 
79 struct dsp_module_desc {
80 	char * module_name;
81 	struct dsp_symbol_desc symbol_table;
82 	int nsegments;
83 	struct dsp_segment_desc * segments;
84 
85 	/* initialized by driver */
86 	u32 overlay_begin_address;
87 	u32 load_address;
88 	int nfixups;
89 };
90 
91 struct dsp_scb_descriptor {
92 	char scb_name[DSP_MAX_SCB_NAME];
93 	u32 address;
94 	int index;
95 	u32 *data;
96 
97 	struct dsp_scb_descriptor * sub_list_ptr;
98 	struct dsp_scb_descriptor * next_scb_ptr;
99 	struct dsp_scb_descriptor * parent_scb_ptr;
100 
101 	struct dsp_symbol_entry * task_entry;
102 	struct dsp_symbol_entry * scb_symbol;
103 
104 	struct snd_info_entry *proc_info;
105 	int ref_count;
106 
107 	u16 volume[2];
108 	unsigned int deleted :1;
109 	unsigned int updated :1;
110 	unsigned int volume_set :1;
111 };
112 
113 struct dsp_task_descriptor {
114 	char task_name[DSP_MAX_TASK_NAME];
115 	int size;
116 	u32 address;
117 	int index;
118 	u32 *data;
119 };
120 
121 struct dsp_pcm_channel_descriptor {
122 	int active;
123 	int src_slot;
124 	int pcm_slot;
125 	u32 sample_rate;
126 	u32 unlinked;
127 	struct dsp_scb_descriptor * pcm_reader_scb;
128 	struct dsp_scb_descriptor * src_scb;
129 	struct dsp_scb_descriptor * mixer_scb;
130 
131 	void * private_data;
132 };
133 
134 struct dsp_spos_instance {
135 	struct dsp_symbol_desc symbol_table; /* currently available loaded symbols in SP */
136 
137 	int nmodules;
138 	struct dsp_module_desc * modules; /* modules loaded into SP */
139 
140 	struct dsp_segment_desc code;
141 
142 	/* Main PCM playback mixer */
143 	struct dsp_scb_descriptor * master_mix_scb;
144 	u16 dac_volume_right;
145 	u16 dac_volume_left;
146 
147 	/* Rear/surround PCM playback mixer */
148 	struct dsp_scb_descriptor * rear_mix_scb;
149 
150 	/* Center/LFE mixer */
151 	struct dsp_scb_descriptor * center_lfe_mix_scb;
152 
153 	int npcm_channels;
154 	int nsrc_scb;
155 	struct dsp_pcm_channel_descriptor pcm_channels[DSP_MAX_PCM_CHANNELS];
156 	int src_scb_slots[DSP_MAX_SRC_NR];
157 
158 	/* cache this symbols */
159 	struct dsp_symbol_entry * null_algorithm; /* used by PCMreaderSCB's */
160 	struct dsp_symbol_entry * s16_up;         /* used by SRCtaskSCB's */
161 
162 	/* proc fs */
163 	struct snd_card *snd_card;
164 	struct snd_info_entry * proc_dsp_dir;
165 
166 	/* SCB's descriptors */
167 	int nscb;
168 	int scb_highest_frag_index;
169 	struct dsp_scb_descriptor scbs[DSP_MAX_SCB_DESC];
170 	struct dsp_scb_descriptor * the_null_scb;
171 
172 	/* Task's descriptors */
173 	int ntask;
174 	struct dsp_task_descriptor tasks[DSP_MAX_TASK_DESC];
175 
176 	/* SPDIF status */
177 	int spdif_status_out;
178 	int spdif_status_in;
179 	u16 spdif_input_volume_right;
180 	u16 spdif_input_volume_left;
181 	/* spdif channel status,
182 	   left right and user validity bits */
183 	unsigned int spdif_csuv_default;
184 	unsigned int spdif_csuv_stream;
185 
186 	/* SPDIF input sample rate converter */
187 	struct dsp_scb_descriptor * spdif_in_src;
188 	/* SPDIF input asynch. receiver */
189 	struct dsp_scb_descriptor * asynch_rx_scb;
190 
191 	/* Capture record mixer SCB */
192 	struct dsp_scb_descriptor * record_mixer_scb;
193 
194 	/* CODEC input SCB */
195 	struct dsp_scb_descriptor * codec_in_scb;
196 
197 	/* reference snooper */
198 	struct dsp_scb_descriptor * ref_snoop_scb;
199 
200 	/* SPDIF output  PCM reference  */
201 	struct dsp_scb_descriptor * spdif_pcm_input_scb;
202 
203 	/* asynch TX task */
204 	struct dsp_scb_descriptor * asynch_tx_scb;
205 
206 	/* record sources */
207 	struct dsp_scb_descriptor * pcm_input;
208 	struct dsp_scb_descriptor * adc_input;
209 
210 	int spdif_in_sample_rate;
211 };
212 
213 #endif /* __DSP_SPOS_H__ */
214